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Cummins Ip Inc patents


Recent patent applications related to Cummins Ip Inc. Cummins Ip Inc is listed as an Agent/Assignee. Note: Cummins Ip Inc may have other listings under different names/spellings. We're not affiliated with Cummins Ip Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Cummins Ip Inc-related inventors


Apparatus, method, and system for diagnosing reductant deposits in an exhaust aftertreatment system

An exhaust gas treatment system for an internal combustion engine may have a reductant delivery system that delivers reductant to an exhaust stream in an exhaust aftertreatment system. A temperature sensor may be positioned in or near the flow of reductant and exhaust to measure the temperature of the reductant and exhaust. ... Cummins Ip Inc

Spherical flange joint

According to one embodiment, a flange joint for joining a first pipe to a second pipe includes an adapter coupled to the first pipe. The adapter includes a convex surface. ... Cummins Ip Inc

Cast dual wall bulkhead with integral oil drain

Systems and methods are provided for a cylinder block having one or more bulkheads. The bulkheads provide a dual-wall structure that may enhance the stiffness of the cylinder block in bending and torsion. ... Cummins Ip Inc

Apparatus, system, and method for shaping a valve orifice

An apparatus, system, and method are disclosed for optimizing a valve orifice shape. According to one representative embodiment, a method includes determining a specified relationship between a valve position and an output characteristic, and determining an orifice profile. ... Cummins Ip Inc

Lubricant level control for lubricated systems

Disclosed herein is a system includes a lubricated component and a lubricant pump that selectively provides lubricant to the lubricated component. The system also includes a lubricant source in lubricant providing communication with the lubricant pump. ... Cummins Ip Inc

Advanced exhaust gas recirculation fueling control

For exhaust gas recirculation (egr) fueling control, at least one donor cylinder of a plurality of cylinders in an engine provides exhaust gas to an air intake for the plurality of cylinders. A fuel variable restriction initially provides fuel concurrent with an intake stroke for the at least one donor cylinder in response to a transition from withholding the fuel to the plurality of cylinders.. ... Cummins Ip Inc

Method and system for mitigating urea deposits within an scr catalyst system

A method and system for mitigating a urea deposit within an scr system that includes determining a mass of an accumulated urea deposit present within the scr catalyst and scr piping, comparing the mass of the accumulated urea deposit with a deposit upper threshold limit, and initiating an scr regeneration event when the mass of the accumulated urea deposit is greater than the deposit upper threshold limit. The method further includes determining an amount of nh3 passing through the scr catalyst downstream of the urea deposit, comparing the amount of nh3 passing through the scr catalyst with an nh3 regeneration threshold limit, and terminating the scr regeneration event when the level of nh3 passing through the scr catalyst is less than the scr nh3 regeneration threshold.. ... Cummins Ip Inc

Apparatus for facilitating reductant decomposition and mixing

According to one embodiment, an apparatus (50) for mounting to an inner wall (33) of an exhaust tube (32) includes a tube engagement surface (52) and an exhaust engagement surface (54a). The tube engagement surface comprises a convex surface of a constant first radius of curvature about a first axis. ... Cummins Ip Inc

Exhaust aftertreatment system diagnostic and conditioning

An engine diagnostic tool includes a diagnostic engine calibration module structured to include a plurality of diagnostic processes for operating an internal combustion engine system of an immobilized vehicle. One or more of the plurality of diagnostic processes are structured to be an intrusive diagnostic process for the internal combustion engine system, wherein the intrusive diagnostic process causes the internal combustion engine system to operate outside of one or more calibration parameters. ... Cummins Ip Inc

Exhaust gas aftertreatment bypass system and methods

A method for protecting an exhaust aftertreatment system of an internal combustion engine from deterioration by selectively diverting exhaust gasses from the engine away from a component of the exhaust aftertreatment system includes assessing a status of an operating condition associated with a physical condition of the component of the internal combustion engine. The status of the operating condition is compared with a threshold value that corresponds with deterioration of the physical condition of the component. ... Cummins Ip Inc








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